package com.neuedu.demoweb.web.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;

/**
 * 
 * @author chens
 *
 */
@WebFilter(value = "/*")
public class EncodingFilter implements Filter {
	private String encoding = "UTF-8";

	@Override
	public void destroy() {
	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
			throws IOException, ServletException {
		// 进入服务器内部前执行的代码
		request.setCharacterEncoding(encoding);
		response.setCharacterEncoding(encoding);
		// 过滤器链
		chain.doFilter(request, response);
	}

	@Override
	public void init(FilterConfig filterConfig) throws ServletException {

	}

}
